Canon 1957C003AA Instruction manual

J
E
INSTRUCTION
MANUAL
1

Introduction

The Canon Speedlite 470EX-AI is an EOS-dedicated external Speedlite, compatible with E-TTL II/E-TTL autoflash systems. The Speedlite can be used as an on-camera flash that attaches to the hot shoe of the camera (normal flash photography), and as a receiver unit during optical transmission wireless flash photography. Note that, during normal flash photography, the Speedlite can be used for AI bounce flash photography.
Before Starting to Shoot, Be Sure to Read the Following
To avoid botched pictures and accidents, first read the “Safety Precautions” (pages 8-9). Also, read this manual carefully to ensure that you use the product correctly.
Read This Instruction Manual while also Referring to Your Camera’s Instruction Manual
Before using the product, read this Instruction Manual and your camera’s Instruction Manual to familiarize yourself with their operations. Be sure to store this manual safely, too, so that you can refer to it again when necessary.
Using the Speedlite with a Camera
Using with an EOS DIGITAL camera (Type-A camera)
You can use the Speedlite for easy flash photography using autoflash control in the same way as a camera’s built-in flash.
Using with an EOS film camera
An EOS camera with E-TTL II/E-TTL autoflash metering
system (Type-A camera)
You can use the Speedlite for easy flash photography using autoflash control in the same way as a camera’s built-in flash.
An EOS camera with TTL autoflash metering system (Type-B
camera)
See page 110.
* This Instruction Manual assumes that the Speedlite is used with a
Typ e -A ca m e ra.
2

Chapters

Introduction
Getting Started and Basic Operations
1
2
3
4
5
6
7
Preparing for flash photography and basic flash photography
Advanced Flash Photography
Advanced shooting utilizing the flash functions
Bounce Flash Photography
Flash photography using the AI bounce flash functions and bounce adapter
Setting Flash Functions with Camera Controls
Setting the flash functions from the camera’s menu screen
Wireless Flash Photography: Optical Transmission
Wireless (receiver) flash photography using optical transmission
Customizing the Speedlite
Customizing with Custom Functions and Personal Functions
Reference
System map, Troubleshooting guide, Using with a type-B camera
2
17
29
41
65
71
81
93
3

Conventions Used in this Manual

Icons in this Manual
9 : Indicates the Select dial. <H> <E>:<S> Indicates the top, bottom, left, and right
<I> <O> buttons of the cross keys. 8 : Indicates the Select/Set button.
p/2 : Indicates that the respective function remains
active for approx. 12 sec. or 16 sec. after you let go of the button.
(p.**) : Reference page numbers for more information.
: Warning to prevent shooting problems.
: Supplemental information.
Basic Assumptions
The operation procedures assume that the Speedlite is attached to the
camera and that both are turned on.
The icons used for buttons, dials, and symbols in the text match the icons
found on the Speedlite and the camera.
The selection operation performed when setting a function basically
describes selecting a function by turning <9>. A selection can also be made by pressing the top, bottom, left, and right (<H> <E> <I> <O> buttons) of the <S> cross keys.
Pressing the <0> button returns the display to the previous screen.
The operation procedures assume that the Custom Functions and
Personal Functions of the Speedlite, and the menu and Custom Functions of the camera are at their default settings.
All figures such as the number of flashes are based on the use of four
AA/LR6 alkaline batteries and Canon’s testing standards.
In this manual, the words “master” and “slave” used in previous manuals have all been replaced by the words “sender” and “receiver” respectively. Read the words “sender” and “receiver” in this manual for the above meanings as necessary.
4

Contents

Introduction 2
Chapters ...........................................................................................3
Conventions Used in this Manual .....................................................4
Contents............................................................................................5
Index to Features..............................................................................7
Safety Precautions............................................................................8
Nomenclature..................................................................................10
Getting Started and Basic Operations 17
1
Installing the Batteries.....................................................................18
Attaching and Detaching the Speedlite to and from the Camera....20
Turning on the Power......................................................................21
a: Fully Automatic Flash Photography ...................................24
E-TTL II/E-TTL Autoflash by Shooting Mode ..................................25
Advanced Flash Photography 29
2
f Flash Exposure Compensation .................................................30
7: FE Lock...................................................................................31
c High-speed sync ........................................................................32
r Second-curtain sync.................................................................33
H:Setting the Flash Coverage ...............................................34
a: Manual Flash............................................................................36
Modeling Flash................................................................................38
Clearing Speedlite Settings.............................................................40
5
Contents
Bounce Flash Photography 41
3
X AI Bounce Flash .................................................................... 42
W AI.B Full-Auto........................................................................ 46
W AI.B Full-Auto Shooting ........................................................ 48
V AI.B Semi-Auto Shooting...................................................... 56
m Manual Bounce Flash Photography ........................................ 61
q Combined Use with the Bounce Adapter ............................... 63
Setting Flash Functions with Camera Controls 65
4
Flash Control from the Camera’s Menu Screen ............................. 66
Wireless Flash Photography: Optical Transmission 71
5
: Optical Transmission Wireless Flash Photography................. 72
Wireless Settings............................................................................ 74
a: Fully Automatic Wireless Flash Photography.................... 76
A Manual Flash Setting on a Receiver Unit ......................... 79
Customizing the Speedlite 81
6
C / >: Setting Custom and Personal Functions................... 82
C: Setting Custom Functions.................................................... 85
>: Setting Personal Functions................................................... 88
Reference 93
7
470EX-AI System........................................................................... 94
f Flash Firing Restrictions due to Temperature Increase ........... 96
Troubleshooting Guide................................................................... 98
Specifications ............................................................................... 105
Using with a Type-B Camera ....................................................... 110
Index............................................................................................. 113
6

Index to Features

Power Source
Batteries Î p.18
Firing interval/count Î p.18
Power ON/OFF Î p.21
Flash ready Î p.21
Quick flash Î p.21
Auto power off Î p.22
Operations
Attaching and detaching
the Speedlite Î p.20
Lock function Î p.22
LCD panel illumination Î p.22
Normal Flash Photography
E-TTL autoflash Î p.24
Autoflash by shooting
mode Î p.25
Manual flash Î p.36
Metered manual
flash Î p.37
TTL autoflash Î p.110
Functions
Flash exposure
compensation Î p.30
FE lock Î p.31
High-speed sync Î p.32
Second-curtain sync Î p.33
Modeling flash Î p.38
AF-assist beam Î p.27
Flash coverage Î p.34
• Wide panel Î p.35
Clearing settings
(Reverting to defaults) Î p.40
Flash function settings Î p.65
Flash firing restriction Î p.96
Typ e-B c am e ra Î p.110
Bounce Flash Photography
AI.B full-auto Î p.43
AI.B semi-auto Î p.45
Manual bounce Î p.61
Bounce adapter Î p.63
Optical Transmission Wireless Flash Photography
E-TTL autoflash Î p.76
Memory function Î p.75
Individual receiver Î p.79
Customization
Custom Functions (C.Fn) Î p.85
Personal Functions (P.Fn)
Clear all Î p.84
Î p.88
7

Safety Precautions

The following precautions are provided to prevent harm or injury to yourself and others. Make sure to thoroughly understand and follow these precautions before using the product.
If you experience any malfunctions, problems, or damage to the product, contact the nearest Canon Service Center or the dealer from whom you purchased the product.
Warnings:
To prevent fire, excessive heat, chemical leakage, explosions, and electrical shock,
follow the safeguards below:
• Do not insert any foreign metallic objects into the electrical contacts of the product, accessories, connecting cables, etc.
• Do not use any batteries, power sources, or accessories not specified in the Instruction Manual. Do not use any deformed or modified batteries, or the product if it is damaged.
• Do not short-circuit, disassemble, or modify the product or batteries. Do not apply heat or solder to the batteries. Do not expose the batteries to fire or water. Do not subject the batteries to strong physical shock.
• Do not insert any battery’s plus and minus ends incorrectly, or mix new batteries with used ones or batteries of different type.
Do not use the product in locations where there is flammable gas. This is to prevent
an explosion or a fire. Do not fire the flash at anyone driving a car or other vehicle. It may cause an accident.
Do not disassemble or modify the equipment. High-voltage internal parts may cause
electrical shock.
If you drop the equipment and the casing breaks open to expose the internal parts,
do not touch the exposed parts. There is a possibility of an electrical shock.
Do not store the product in dusty or humid places or location with lots of oil smoke.
This is to prevent a fire or electrical shock.
Before using this product inside an airplane or hospital, check if it is allowed.
Electromagnetic waves emitted by the product may interfere with the plane’s instruments or the hospital’s medical equipment.
If a battery leaks, changes color, deforms, or emits smoke or fumes, remove it
immediately. Be careful not to get burned in the process. It may cause a fire, electrical shock or burns if you keep using it.
Keep the batteries and other accessories out of the reach of children and infants. If a
child or infant swallows a battery or accessory, consult a physician immediately. (Battery chemicals may harm the stomach and intestines.)
Be careful not to get the product wet. If you drop the product in the water or if water
or metal get inside the product, promptly remove the batteries. This is to prevent fire, electrical shock, and burns. Do not cover or wrap the product with a cloth. Doing so may trap heat within and cause the casing to deform or catch fire.
Follow the warnings below. Otherwise, death or serious injuries may result.
8
Safety Precautions
Keep the equipment out of the reach of children and infants, including when in use.
Straps or cords may accidentally cause choking, electrical shock, or injury. Choking or injury may also occur if a child or infant accidentally swallows a part or accessory. If a child or infant swallows a part or accessory, consult a physician immediately.
When the equipment is not in use, make sure to remove the batteries, and
disconnect the external power source and cable from the equipment before storing. This is to prevent electrical shock, excessive heat, fire, or corrosion.
Prevent any battery leakage from contacting your eyes, skin, and clothing. It can
cause blindness or skin problems. If the battery leakage comes in contact with your eyes, skin, or clothing, flush the affected area with lots of clean water without rubbing it. See a physician immediately.
Do not use paint thinner, benzene, or other organic solvents to clean the product.
Doing so may cause fire or a health hazard.
Cautions:
When the product is not in use for a prolonged period, make sure to remove the
batteries before storing. This is to prevent malfunction or corrosion.
When disposing of a battery, insulate the electrical contacts with tape. Contact with
other metallic objects or batteries may cause a fire or an explosion.
Do not use, store, or leave the product in a vehicle in the direct sunlight or with a
high interior temperature, or near a high-temperature object. The product may become hot and cause burns if touched. Doing so may also cause battery heat generation, breakage, leakage, and the like.
Do not fire the flash with the flash head (light-emitting unit) in contact with a human
body or any object. Doing so may result in the risk of burns and fire.
Before performing AI bounce flash photography, be sure to warn people nearby. The
flash head may move automatically and fire without warning.
Do not fire the flash near the eyes. It may hurt the eyes. Do not leave the product in a low-temperature environment for an extended period of
time. The product will become cold and may cause injury when touched.
Do not directly touch any part of the product that becomes hot. Extended contact on
the skin may result in low temperature contact burns.
If you replace the batteries after continually firing, the batteries may be hot. Be
careful not to get burned in the process. It may cause a skin burn.
Follow the cautions below. Otherwise physical injury or property damage may result.
9

Nomenclature

Wide panel (Retracted, p.35)
Bounce adapter detector
Optical transmission wireless sensor
Locking pin
AI.B distance measurement sensor
Flash head (Light-emitting unit)
AF-assist beam emitter (p.27)
Mounting foot (p.20)
Contacts
10
<X> Bounce mode switch (p.42)
<> : Flash head
forward-facing position
<Y> : AI.B semi-auto <Z> : AI.B full-auto
LCD panel
<1> Sub-menu button (p.40, 75, 82)
Nomenclature
Bounce adapter attachment (p.63)
<z> Bounce angle setting button (p.45, 54, 57)
Battery compartment cover (p.18)
Power switch (p.21) <K>:Power on <a>: Button/Dial lock
(Power on)
<J>:Power off
<X> AI.B full-auto distance measurement start button/AI.B lamp (p.43, 49/54, 59)
<0> Back button
Mounting foot lock lever (p.20)
Lock-release button (p.20)
<Q> Flash-ready lamp/ Test flash button (p.21, 77)
<9> Select dial
<8> Select/Set button
<S> Cross keys
<H> Zoom button (p.34) <E> Flash mode button (p.24, 36) <I> Wireless setting button (p.74, 79) <O> Flash exposure compensation/
Flash output setting button (p.30/36)
11
Nomenclature
LCD Panel
E-TTL II/E-TTL Autoflash
2:
First-curtain sync (Normal flash photography, p.68)
r : Second-curtain sync
(p.33, 68)
c : High-speed sync
(p.32, 68)
a :
E-TTL II/E-TTL autoflash
(p.24)
G : Charge indicator (p.21)
L : Automatic setting d : Manual setting (p.34)
e : Zoom display (p.34) N : Wide panel + bounce
warning
O: Outside of flash
coverage warning
Flash coverage (Focal length, p.34)
v : Aperture (p.36)
R : Meters @ : Feet
Flash exposure compensation amount (p.30)
Flash exposure level (p.30)
j : Standard k : Guide number
priority (p.87)
l : Even coverage
(p.87)
t : Temperature increase
(Flash firing restriction, p.96)
f: Flash exposure compensation
(p.30, 68)
Effective flash metering range/ Shooting distance (p.24/36)
The displays shown are examples. The display will show only the
settings currently applied.
When a button or dial is operated, the LCD panel illuminates (p.22).
12
Nomenclature
Manual Flash
(p.36)
Optical Transmission Wireless Shooting
Receiver unit
: : Optical
transmission wireless shooting (p.74)
h : Receiver icon
Firing group (p.78)
* : Transmission
channel (p.74)
q : Manual flash
Manual flash output
Manual flash level
(p.71)
x : Receiver setting (p.74)
( : Individual receiver (p.79)
13
Nomenclature
Bounce Shooting
m : Bounce
(p.49, 56, 61)
H : Bounce adapter
attached (p.63)
W : AI.B full-auto (p.48) V : AI.B semi-auto (p.56)
(p.41)
Horizontal direction
Flash head upward angle
Upward direction
Flash head rotation angle
The rotation angle of the flash head is displayed in 5 increments. If the camera’s orientation is horizontal during AI.B full-auto shooting, the
bounce angle in the upward direction is displayed up to 180°.
14
Accessories Provided
Nomenclature
Mini stand pocket
Speedlite case
Bounce adapter
SBA-E4
(p.63)
Mini stand
(p.73)
Attachment
15
16
1
Getting Started and
Basic Operations
This chapter describes the preparations before starting flash photography and the basic shooting operations.
Cautions for firing continuous flash
To avoid degrading and damaging the flash head due to
overheating, limit firing the flash continuously at full output up to 30 times. After firing the flash continuously at full output for 30 times, allow a rest time of at least 10 min.
If you fire the flash continuously at full output for the above
listed number of times, and then fire the flash again repeatedly at short intervals, the safety function may activate and restrict flash firing. With flash firing restriction level 1, the firing interval is automatically set to approx. 8 sec. If this happens, allow a rest time of at least 40 min.
For details, see “Flash Firing Restriction due to Temperature
Increase” on page 96.
When you are not performing bounce flash photography, set the <X> bounce mode switch to the <> position (p.11). For more information on bounce flash photography, see Chapter 3 “Bounce Flash Photography” (p.41).
17

Installing the Batteries

Install four AA/R6 batteries for power supply.
Open the cover.
1
Slide the battery compartment cover
down, then open the battery compartment cover.
Install the batteries.
2
Make sure the “+” and “-” electrical
contacts are correctly oriented as shown in the battery compartment.
The grooves on the side surfaces
inside the battery compartment indicate “-”. This is convenient when replacing the batteries in a dark place.
Close the cover.
3
Close the battery compartment cover,
then slide it up by following the procedure of step 1 in reverse.
Firing Interval and Number of Flashes
Firing Interval
Quick Flash Normal Flash
Approx. 0.1 to 3.9 seconds
Based on new AA/LR6 alkaline batteries and Canon’s testing standards. The Quick flash function enables flash photography before the flash is fully
charged (p.21).
Approx. 0.1 to 5.5 seconds
Number of Flashes
Approx. 115 to 800 times
18
Installing the Batteries
CAUTION
Do not use “AA/R6 lithium batteries”.
Note that certain AA/R6 lithium batteries may become extremely hot in rare cases during use. Due to safety reasons, do not use “AA/R6 lithium batteries”.
When performing continuous flash, do not touch the flash head,
batteries, or the area near the battery compartment.
When continuous flash or modeling flash is repeatedly fired at short intervals, do not touch the flash head, batteries, or the area near the battery compartment. The flash head, batteries, and area near the battery compartment may become hot, resulting in the risk of burn.
Do not use the Speedlite while touching the same part for a long
period of time.
Even if the product does not feel too hot, prolonged contact with the same body part may cause skin redness or blistering due to low-temperature contact burns. Using a tripod is recommended in very hot places or for people with circulation problems or very sensitive skin.
Using AA/R6 batteries other than the alkaline type may cause contact failure due to the irregular shape of the battery contacts.
When <!> is displayed or the LCD panel display turns off during
recharging, replace the batteries with new ones.
Use a new set of four batteries of the same brand. When replacing the
batteries, replace all four at one time.
AA/HR6 Ni-MH batteries can also be used.
19

Attaching and Detaching the Speedlite to and from the Camera

Attach the Speedlite.
1
Slip the Speedlite’s mounting foot all
the way into the camera’s hot shoe.
Secure the Speedlite.
2
Slide the mounting foot lock lever to
the right.
X When the lock lever clicks in place, it
is locked.
Detach the Speedlite.
3
While pressing the lock-release
button, slide the lock lever to the left and detach the Speedlite from the camera.
Be sure to turn off the Speedlite before attaching or detaching it.
20

Turning on the Power

Set the power switch to <K>.
1
X The flash recharge starts. X During recharging, <G> is
displayed on the LCD panel. When flash recharge is complete, this indicator disappears.
Check that the flash is ready.
2
The status of the flash-ready lamp
changes from off to green (Quick flash ready) to red (fully charged).
You can press the test flash button
Flash-ready lamp (Test flash button)
Quick Flash Function
The Quick flash function enables flash photography when the flash­ready lamp is lit green (before the flash is fully charged). Quick flash is available regardless of the camera’s drive mode setting. Although the flash output will be approx. 1/2 to 1/6 of the full output, it is useful for shooting with a shorter firing interval. During manual flash photography, this function is available when the flash output is set to 1/4 to 1/128. Note that you cannot use Quick flash with the receiver unit during optical transmission wireless shooting.
(flash-ready lamp) to fire a test flash.
When the power is turned on, the flash head may automatically operate
(rotate).
When Quick flash is fired during continuous shooting, underexposure
may occur since the flash output decreases.
When the 3/1/o/7/2 timer of the camera is operating, a test
flash cannot be performed.
21
Turning on the Power
Auto Power Off Function
To save battery power, the power will turn off automatically after approx. 90 sec. of idle use. To turn on the Speedlite again, press the camera’s shutter button halfway or press the test flash button (flash-ready lamp). When set as the receiver unit for optical transmission wireless flash shooting (p.72), the time until auto power off takes effect is approx. 60 min.
Lock Function
By setting the power switch to <a>, you can disable the flash’s button and dial operations (except the <X> switch operation). It is useful when you want to prevent the flash function settings from being accidentally changed after you set them. If you operate a button or dial, <k> is displayed on the LCD panel.
LCD Panel Illumination
When a button or dial is operated, the LCD panel illuminates for approx. 12 sec. (p). During normal flash photography, the LCD panel illuminates in green. When set as a receiver unit during optical transmission wireless shooting, the LCD panel illuminates in orange.
22
Turning on the Power
The flash settings will remain in effect even after the power is turned off.
To retain the settings when replacing the batteries, replace the batteries after turning off the power switch.
You can fire a test flash while the power switch is set to the <a>
position. Also, when a button or dial is operated, the LCD panel illuminates.
Auto power off can be disabled (C.Fn-01, p.85). When set as a receiver unit, you can change the time until the receiver
unit’s auto power off takes effect (C.Fn-10, p.86). You can change the setting of the LCD panel illumination (C.Fn-22, p.87).
You can change the color of the LCD panel illumination (P.Fn-02/03,
p.88).
You can disable Quick flash (P.Fn-05, p.89).
23
a:
When you set the camera’s shooting mode to <d> (Program AE) or a fully automatic mode, you can shoot in E-TTL II/E-TTL fully automatic flash mode.
Effective flash metering range

Fully Automatic Flash Photography

Set the flash mode to <a>.
1
Press the <E> button of the
<S> cross keys.
Turn <9> to select <Q>, then
press <8>.
Focus on the subject.
2
Press the shutter button halfway to
focus.
X The shutter speed and aperture are
displayed in the viewfinder.
Check that <Q> is lit in the viewfinder.
Take the picture.
3
Check that the subject is in the
effective flash metering range.
When you press the shutter button
completely, the flash will fire and the picture will be taken.
If the subject is dark (underexposed) when you check the shot image,
move closer to the subject and shoot again. You can also increase the ISO speed when using a digital camera.
“Fully automatic” refers to <A>, <1>, and <C> shooting modes. Even when attached to a camera that supports the E-TTL II autoflash
system, <a> is displayed on the LCD panel.
24
E-TTL
II/E-TTL Autoflash by Shooting Mode
Simply by setting the camera’s shooting mode to <s> (shutter-priority AE), <f> (aperture-priority AE), or <a> (manual exposure), you can execute E-TTL II/E-TTL autoflash suitable for each shooting mode.
Select this mode when you want to set the shutter speed manually. The camera will then automatically set the aperture matching the shutter speed to obtain the standard exposure based on the metering of the camera.
s
If the aperture value blinks, it means that the background exposure will
be underexposed or overexposed. Adjust the shutter speed until the aperture value stops blinking.
Select this mode when you want to set the aperture manually. The camera will then automatically set the shutter speed, matching the aperture to obtain the standard exposure based on the metering of the camera. For low-light scenes, a slow sync speed will be used to obtain the standard exposure for both the main subject and background. The standard exposure for the main subject is obtained with the flash light, while the standard exposure for
f
the background is obtained with a long exposure using a slow shutter speed.
Since a slow shutter speed will be used for low-light scenes, using a
tripod is recommended.
If the shutter speed blinks, it means that the background exposure will
be underexposed or overexposed. Adjust the aperture until the shutter speed stops blinking.
Select this mode if you want to set both the shutter speed and aperture manually. Standard exposure of the main subject is obtained with the flash light. The
a
exposure of the background changes according to the shutter speed and aperture combination you set.
If you use the <Z> or <Y> shooting mode, the result will be the same as
using the <d> (Program AE) mode.
Flash Sync Speeds and Apertures by Shooting Mode
Shutter Speed Aperture
d Automatically set (1/X sec. to 1/60 sec.) Automatically set
s Manually set (1/X sec. to 30 sec.) Automatically set f Automatically set (1/X sec. to 30 sec.) Manually set
a Manually set (1/X sec. to 30 sec., Bulb) Manually set
1/X sec. is the camera’s maximum flash sync speed.
25
E-TTL II/E-TTL Autoflash by Shooting Mode
Auto Zoom Adjustment to Image Sensor Size
EOS DIGITAL cameras have three sizes of image sensors, and the effective shooting angle of view of the attached lens varies depending on the size of image sensor. 470EX-AI automatically recognizes the image sensor size of the EOS DIGITAL camera and automatically sets the flash coverage that is ideal for the effective shooting angle of view of a lens for the focal length range of 24-105mm.
Color Temperature Information Transmission
This function adjusts the white balance depending on the color temperature of the flash light by transmitting the color temperature information to the EOS DIGITAL camera when the flash fires. When you set the camera’s white balance to <A>, <Aw>, or <Q>, the function is enabled automatically. Refer to the specifications in your camera’s Instruction Manual to find out if it is compatible with this function.
Bounce Function
See Chapter 3, “Bounce Flash Photography” (p.41-64).
When the <X> bounce mode switch is set to the <> position and the flash head is facing a direction other than straight forward, the <X> lamp blinks. Pressing the shutter button halfway automatically returns the position of the flash head to the forward-facing position. (The <X> lamp turns off.)
26
E-TTL II/E-TTL Autoflash by Shooting Mode
AF-Assist Beam
When it is difficult to autofocus on the subject in low-light or when contrast is low during viewfinder shooting, the infrared AF-assist beam built into the flash is automatically emitted to help autofocus.
The AF-assist beam supports most of the EOS cameras’ AF points. The AF-assist beam covers the angle of view of 28 mm or longer lens focal length, and its effective range (at 28 mm focal length) is approx. 0.7 - 10 m/2.3 - 32.8 ft. at the center in the viewfinder and approx. 1 - 5 m/3.3 -
16.4 ft. at the periphery (AF points other than the center AF point).
If a peripheral AF point is selected, or a wide-angle or telephoto lens is used, achieving focus may be difficult with an EOS-dedicated, external Speedlite’s AF-assist beam. In such a case, use the center AF point or an AF point close to the center.
During Live View shooting, the AF-assist beam is emitted even when the
AF method is set to [Quick mode].
AF-assist beam firing can be disabled (C.Fn-08, p.86). The AF-assist beam type that uses intermittent flashes (a series of small
flashes) can be emitted (P.Fn-04, p.89).
27
28
2
Advanced Flash
Photography
This chapter describes advanced shooting operations utilizing the flash functions.
When the camera’s shooting mode is set to a fully automatic
mode or a Basic Zone mode, the operations in this chapter are not available. Set the camera’s shooting mode to <d/s/ f/a/bulb(B)> (Creative Zone mode).
When you are not performing bounce flash photography, set
the <X> bounce mode switch to the <> position (p.11). For more information on bounce flash photography, see Chapter 3 “Bounce Flash Photography” (p.41).
29

f Flash Exposure Compensation

With a similar procedure as exposure compensation, you can adjust the flash output. The flash exposure compensation amount can be set up to ±3 stops in 1/3-stop increments.
Press the <O> button.
1
Press the <O> button of the <S>
cross keys.
You can also select the flash
exposure compensation by pressing <8> and turning <9>.
Set the flash exposure
2
compensation amount.
Turn <9> to set the flash exposure
compensation amount, then press <8>.
X The flash exposure compensation
amount is set.
“0.3” indicates 1/3 stop and “0.7”
indicates 2/3 stops.
To cancel flash exposure
compensation, return the compensation amount to ±0.
Generally, set an increased exposure compensation for bright subjects
and set a decreased exposure compensation for dark subjects. If the camera’s exposure compensation is set in 1/2-stop increments, flash exposure compensation will be up to ±3 stops in 1/2-stop increments.
When the flash exposure compensation is set on both the flash and the
camera, priority is given to the flash setting.
Without pressing the <O> button of the <S> cross keys, you can
directly turn <9> and set the amount of flash exposure compensation (C.Fn-13, p.86).
30
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